Bedfordshire is on the northern edge of the Cambridge Oxford London triangle so should be multilingual. 73 John F5VLF G3PAI an Essex man and proud of it [email protected] Researching history of
Chris, The arrangement I have here comprises a 5A FSD RF ammeter between the transmitter and the antenna isolating transformer, and another such ammeter (switchable between 5A and 500mA FSD) between
The other station broadcasts in a mixture of French and Arabic so I assume it is from a country that was formerly a French colony. RTE is definitely there but much weaker in central Burgundy. John F5
See http://www.rte.ie/news/2014/1219/667931-rte-longwave/ which says that this service has been extended until 2017. John F5VLF [email protected] Researching history of RABSON, BLACKSHAW, GAUNT
I havent looked at this sort of configuration recently, but it is worth perhaps consulting the doctoral thesis of David Gibson, which you can find at http://etheses.whiterose.ac.uk/4169/1/uk_bl_ethos
I have no experience of this at 136, but I remember visiting Ernie G3ERN at his QTH in Harlow and finding that I could walk all around the back yard and light a fluorescent tube when he keyed his top
Welcome, Wolf, I agree about the superiority of three-phase AC. Our Power lecturers went into some detail as to why this was so. My comments originally related to the use of three-phase supplies in d
Fausto, In modern English usage, friars would go to a friary or a monastery. In a convent you would only find nuns! Have a Happy New Year everybody. John F5VLF [email protected] Researching his
If Anthorn and the others were to disappear for good, this would be good news for cave radio on 87 kHz. John F5VLF [email protected] Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLAND
Andy, I wonder if you have slightly misinterpreted the outcome of WRC-12. I think the passage that Rik quoted shows that we can still have the full 5 W if we are more than 379 km north of the French
I had an RC 411 receiver in which extra diodes been fitted between the two bases.. Without them the distortion was noticeable, but I dont know whether it would be necessary to do this to prevent cros
According to http://www.leberry.fr/cher/actualite/2015/09/07/france-inter-en-grandes-ondes-c-est-bientot-fini_11574256.html, transmission on this frequency will cease on 31 December 2016. Perhaps we
Marcin, A few years ago I built an eight-turn loop about 2.2 m square. The unloaded Q was about 90, giving a bandwidth when series-resonated at 136 kHz of about 1.5 kHz, but it worked usefully for mo
I seem to recall that some railway systems use at about 16 2/3 Hz (one third of 50 Hz) for traction. Historically, some systems used about 33 Hz. I read somewhere that on-board power converters on so
I havent heard of any problems in France, but Ikea's UK site (http://www.ikea.com/gb/en/catalog/categories/departments/wireless_charging/) shows an interesting attitude to technology: "They blend in
Why do we need a band plan for 472 kHz? It seems to me that the band plan is useful when there are a lot of users, so that people can readily find a particular mode they are interested in (and avoid
Johan, Many thanks for the reference. I now understand much better how these things are arranged. 73 John F5VLF [email protected] Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLANDER
See ** below. John F5VLF ** There are circumstances in which a Coast radio station will call CQ and not end with a K [email protected] Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLA
Shortly before I retired, one of my colleagues who was an EMC specialist, told me that they no longer tested for frequencies below 150 kHz. He also found out the hard way not to bring his magnetic-st
